import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {

      if (store.getters.roles.length === 0) { // 判断当前用户是否已拉取完user_info信息
        store.dispatch('user/getInfo').then(res => { // 拉取info
          const roles = [res.glevel];
          store.dispatch('storePermission/GenerateRoutes', { roles }).then(() => { // 生成可访问的路由表
            router.addRoutes(store.getters.addRouters) // 动态添加可访问路由表
            var newR = [
              {
                path: '/permission',
                component: () => import('@/views/table/index'),
                name: '权限测试',
                meta: { role: [2, 3] }, //页面需要的权限
              }];
            router.addRoutes(newR);
            console.log("addRouter", router.options.routes)
            next({ ...to, replace: true }) // hack方法 确保addRoutes已完成 ,set the replace: true so the navigation will not leave a history record
          })
        }).catch(err => {
          console.log(err);
        });
      } else {
        next() //当有用户权限的时候，说明所有可访问路由已生成 如访问没权限的全面会自动进入404页面
      }

      // const hasGetUserInfo = store.getters.name
      // if (hasGetUserInfo) {
      //   next()
      // } else {
      //   try {
      //     // get user info
      //     await store.dispatch('user/getInfo')

      //     next()
      //   } catch (error) {
      //     // remove token and go to login page to re-login
      //     await store.dispatch('user/resetToken')
      //     Message.error(error || 'Has Error')
      //     next(`/login?redirect=${to.path}`)
      //     NProgress.done()
      //   }
      // }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
